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प्रश्न
Complete the blank with reference to interconversion of matter on the basis of kinetic theory-with the word ‘increase’, ‘decreases’, ‘gain’, ‘lose’, or ‘overcome’ in the following case.
During liquefaction, the particles ________ energy.
उत्तर
During liquefaction, the particles lose energy.
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संबंधित प्रश्न
What do you mean by the change of state? Write the flow chart showing the complete cycle of change of state.
The Kelvin scale temperature is 0 K. What is the corresponding Celsius scale temperature ?
Write the relation between Kelvin scale and Celsius scale of temperature.
State whether the following statement is true or false :
Solid carbon dioxide is stored under low pressure.
Define the following term Melting.
Define the term 'latent heat of fusion' of a solid. How much is the latent heat of fusion of ice ?
The latent heat of vaporisation of water is :
There are four substances W, X, Y and Z. The substance W is a dark violet solid having diatomic molecules. A solution of W in alcohol is used as a common antiseptic C. The substance X is a white solid which is usually recovered from sea water on a large scale. The substance Y is a white solid which is insoluble in water and used in the form of small balls for the safe storage of woollen clothes. The substance Z is a yet another white solid which is used in making commonly used dry cells.
- Name (i) W (ii) X (iii) Y and (iv) Z.
- Out of W, X, Y and Z, which substance/substances can undergo sublimation ?
- Which substance is organic in nature ?
- What is the name of substance C ?
- Which substance belongs to the halogen family ?
Name the phenomenon which causes the following changes:
Conversion of water into steam
Who am I?
I dissolve in water, but not in kerosene.
